196246559189 has 2 divisors, whose sum is σ = 196246559190. Its totient is φ = 196246559188.

The previous prime is 196246559143. The next prime is 196246559203. The reversal of 196246559189 is 981955642691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113427504100 + 82819055089 = 336790^2 + 287783^2 .

It is a cyclic number.

It is not a de Polignac number, because 196246559189 - 2²⁰ = 196245510613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196246559129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98123279594 + 98123279595.

It is an arithmetic number, because the mean of its divisors is an integer number (98123279595).

Almost surely, 2^196246559189 is an apocalyptic number.

It is an amenable number.

196246559189 is a deficient number, since it is larger than the sum of its proper divisors (1).

196246559189 is an equidigital number, since it uses as much as digits as its factorization.

196246559189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41990400, while the sum is 65.

The spelling of 196246559189 in words is "one hundred ninety-six billion, two hundred forty-six million, five hundred fifty-nine thousand, one hundred eighty-nine".